Classic Thermal Merino Base Layer Crew – Men's

When the temperature drops and the miles get serious, this midweight merino crew is our first recommendation for cold-weather trail runners and backcountry athletes. 100% merino wool in an interlock knit naturally regulates temperature, wicks sweat, and kills odor without chemical treatments. Offset flatlock seams and a seam-free shoulder panel make it comfortable under a pack all day.

• 100% responsibly sourced merino wool regulates body temperature across changing exertion levels and resists odor naturally — no synthetics, no additives
• Midweight interlock knit construction delivers serious cold-weather insulation without the bulk of a mid-layer
• Flatlock seams with offset shoulder and side seam placement eliminate friction points and chafe during high-output activity
• Seam-free shoulder panels sit cleanly under pack straps — no pressure points on long carry days
• Slim, body-skimming fit layers efficiently under a shell or mid-layer without bunching or riding up